Dayton
Ohio, USA
Long-term weather forecast
Long-term weather forecast

October weather forecast and climate
Dayton, OH

The Maimi and Mad rivers converge to flow through Dayton city, Ohio, viewed from above
The Maimi and Mad rivers converge to flow through Dayton city, Ohio, viewed from above
October, the same as September, is another enjoyable autumn month in Dayton, Ohio, with average temperature ranging between min 44.1°F (6.7°C) and max 63.9°F (17.7°C).

Temperature

In Dayton, the average high-temperature in October decreases, from a moderately hot 75.9°F (24.4°C) in September, to an enjoyable 63.9°F (17.7°C). The average low-temperature, in Dayton, is 44.1°F (6.7°C).

Humidity

In Dayton, the average relative humidity is 69.3%.

Rainfall

In Dayton, in October, it is raining for 9.3 days, with typically 2.9" (74.4mm) of accumulated precipitation. In Dayton, during the entire year, the rain falls for 135.8 days and collects up to 41" (1042.5mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December.

Daylight

In October, the average length of the day in Dayton is 11.1h.

Sunshine

The average sunshine in Dayton, Ohio, is 6.2h.

UV index

In Dayton, Ohio, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV rays for ordinary individuals.
The daily maximum UV index of 4 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in October in Dayton?

The average high-temperature, in October, is 63.9°F (17.7°C), while the average low-temperature is 44.1°F (6.7°C).

What is the average humidity in October in Dayton?

The average relative humidity in October in Dayton, Ohio, is 69.3%.

How much does it rain in Dayton in October?

In Dayton, Ohio, during October, the rain falls for 9.3 days and regularly aggregates up to 2.9" (74.4mm) of precipitation.

When does it start to snow in Dayton?

October is the first month it typically snows in Dayton, Ohio. Throughout October, in the average 0.2 snowfall days, it receives 0.4" (10.2mm) of snow.

How many hours of daylight does Dayton have in October?

In October, the average length of the day in Dayton, Ohio, is 11.1h.

How many hours of sunshine does Dayton have in October?

The average sunshine in October in Dayton, Ohio, is 6.2h.

How high is the UV index in October in Dayton?

The average daily maximum UV index in October in Dayton is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV rays.
Average temperature in October - Dayton, OH
  • Average high temperature in October: 63.8°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34.7°F).

  • Average low temperature in October: 44°F

The month with the highest average low temperature is July (64.5°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

Average humidity in October - Dayton, OH
  • Average humidity in October: 69.3%

The month with the highest relative humidity is December (75.8%).
The month with the lowest relative humidity is April (64.2%).

Average rainfall in October - Dayton, OH
  • Average rainfall in October: 2.9"

The wettest month (with the highest rainfall) is May (4.7").
The driest month (with the lowest rainfall) is February (2.2").

Average rainfall days in October - Dayton, OH
  • Average rainfall days in October: 9.3 days

The month with the highest number of rainy days is May (13.7 days).
The month with the lowest number of rainy days is August (8.4 days).

Average snowfall in October - Dayton, OH
  • Average snowfall in October: 0.4"

The month with the highest snowfall is January (7.9").
Months with the lowest snowfall are May, June, July, August and September (0").

Average snowfall days in October - Dayton, OH
  • Average snowfall days in October: 0.2 days

The month with the highest number of snowfall days is January (6.3 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

Average daylight in October / Average sunshine in October - Dayton, OH
  • Average daylight in October: 11.1h

The month with the longest days is June (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9.4h).

  • Average sunshine in October: 6.2h

The month with most sunshine is June (Average sunshine: 9.8h).
The month with least sunshine is December (Average sunshine: 3.2h).

Average UV index in October - Dayton, OH
  • Average UV index in October: 4

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January, November and December (UV index 2).